请教OG里的一道题，谢谢

sunflower82

5. Carbon-14 dating reveals that the megalithic monuments in Brittany are nearly 2,000 years as old as any of their supposed Mediterranean predecessors.
(A) as old as any of their supposed
(B) older than any of their supposed
(C) as old as their supposed
(D) older than any of their supposedly
(E) as old as their supposedly
答案是B，为什么A错呢？语法上错误还是意思上错误。

myungryong

表示倍数的时候 as as 结构和 more tham 节后才能互换 其余只能用more than